<!--  -->
<template>
  <common-card title="累计用户数" :value="1.0">
    <template>
      <div id="totalUser" :style="{ height: '100%', width: '100%' }"></div>
    </template>
    <template v-slot:footer>
      <div class="total-users-footer">
        <span>日同比</span>
        <span class="emphasis">1.00</span>
        <div class="increase" />
        <span class="month">月同比</span>
        <span class="emphasis">2.00</span>
        <div class="decrease" />
      </div>
    </template>
  </common-card>
</template>

<script>
import commonCardMixin from '../../mixins/commonCardMixins'
export default {
  mixins: [commonCardMixin],
  data() {
    return {}
  },
  mounted() {
    this.getOptions()
  },
  methods: {
    getOptions() {
      let mychart = this.$echarts.init(document.getElementById('totalUser'))
      let option = {
        grid: {
          left: 0,
          right: 0,
          top: 0,
          bottom: 0,
        },
        xAxis: {
          type: 'value',
          show: false,
        },
        yAxis: {
          type: 'category',
          show: false,
        },
        series: [
          {
            name: '上月平台用户数',
            type: 'bar',
            stack: '总量',
            data: ['800000'],
            barWidth: 10,
            itemStyle: {
              color: '#45c946',
            },
          },
          {
            name: '今日平台用户数',
            type: 'bar',
            stack: '总量',
            data: ['1000000'],
            itemStyle: {
              color: '#eee',
            },
          },
          {
            type: 'custom',
            stack: '总量',
            data: ['800000'],
            renderItem: (params, api) => {
              const value = api.value(0)
              const endPoint = api.coord([value, 0])

              return {
                type: 'group',
                position: endPoint,
                children: [
                  {
                    type: 'path',
                    shape: {
                      d: 'M1024 255.996 511.971 767.909 0 255.996 1024 255.996z',
                      x: -5,
                      y: -20,
                      width: 10,
                      height: 10,
                      layout: 'cover',
                    },
                    style: {
                      fill: '#45c946',
                    },
                  },
                  {
                    type: 'path',
                    shape: {
                      d: 'M0 767.909l512.029-511.913L1024 767.909 0 767.909z',
                      x: -5,
                      y: 10,
                      width: 10,
                      height: 10,
                      layout: 'cover',
                    },
                    style: {
                      fill: '#45c946',
                    },
                  },
                ],
              }
            },
          },
        ],
      }

      mychart.setOption(option, true)
      window.onresize = mychart.resize
    },
  },
}
</script>
<style lang="less" scoped>
.total-users-footer {
  display: flex;
  align-items: center;

  .month {
    margin-left: 10px;
  }
}
</style>
